<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
</head>
<body>
<form id="form1" action="#">
  <input type="button" value="button"/><br/>
  <input type="checkbox" name="c"/>1
  <input type="checkbox" name="c"/>2
  <input type="checkbox" name="c"/>3<br/>
  <input type="file"/><br/>
  <input type="hidden"/>
  <div style="display:none">test</div>
  <input type="image"/><br/>
  <input type="password"/><br/>
  <input type="radio" name="a"/>1
  <input type="radio" name="a"/>2<br/>
  <input type="reset"/><br/>
  <input type="submit" value="提交"/><br/>
  <input type="text"/><br/>
  <select><option>Option</option></select><br/>
  <textarea></textarea><br/>
  <button>button</button><br/>
</form>

</body>
</html>